Infinate Gourd of Sand (3.5e Equipment)

From D&D Wiki

Composed of Attuned Sand, this gourd is three feet tall and two feet wide and has a strap for carrying it over the shoulder (can’t wear a backpack while caring the gourd). It takes 4 cubic feet of attuned sand to create this gourd and can only be made by a sandbender. Despite this, the gourd only weights 20lbs for the sandbender whom created it. However, this gourd can only contain attuned sand, and regardless of how much is put into the gourd, it weight remains constant. The gourd remains composed of attuned sand, however once created, does not count towards the sandbender total amount of attuned sand. The gourd has one final property. If needed, the sandbender can revert the gourd back into 4 cubic feet of attuned sand as a swift action, re-adding it back into their total allotted amount of attuned sand. Any Non-Sandbender attempting to pick up the gourd realizes that it in fact weighs 400lbs.